Communication device and control method of the same

Abstract

Disclosed is an optical communication device, including: a light source that outputs an optical signal; a modulation unit that modulates transmission data and inputs it to the light source; a storage unit that holds a set value of the light source or the modulation unit; a power consumption adjustment unit that, according to an instruction, acquires the set value from the storage unit, optimizes power consumption within a predetermined range of transmission characteristics, and determines a set value; and a control unit, being provided the determined set value, that controls power consumption of at least one of the light source and the modulation unit based on the provided set value.

1 . An optical communication device, comprising:
 a light source that outputs an optical signal;   a modulation unit that modulates transmission data and inputs said modulated transmission data to said light source;   a storage unit that holds a set value of said light source or said modulation unit;   a power consumption adjustment unit that, according to an instruction, acquires said set value from said storage unit, optimizes power consumption within a predetermined range of transmission characteristics, and determines a set value; and   a control unit, being provided said set value determined by said power consumption adjustment unit, that controls power consumption of at least one of said light source and said modulation unit based on said provided set value.   
     
     
         2 . The optical communication device according to  claim 1 , wherein
 said predetermined range of transmission characteristics is determined by at least one of a transmission rate, an error rate, a strength, a wavelength and a transmission loss of said optical signal.   
     
     
         3 . The optical communication device according to  claim 1 , wherein
 said instruction includes a first instruction for instructing reduction of power consumption.   
     
     
         4 . The optical communication device according to  claim 3 , wherein
 a set value determined according to said first instruction includes a value determined so that a problem does not occur in transmission of said transmission data in a network, said light source being connected to said network.   
     
     
         5 . The optical communication device according to  claim 1 , further comprising:
 a detection unit that detects data received from said network, said light source being connected to said network, wherein   the control unit controls the power consumption of at least one of said light source and said modulation unit based on said detected data.   
     
     
         6 . The optical communication device according to  claim 5 , wherein
 said control unit stores said set value determined based on said detected data in said storage unit.   
     
     
         7 . The optical communication device according to  claim 5 , wherein,
 when the power consumption of at least one of said light source and said modulation unit, can be reduced, said control unit determines said set value based on said detected data so that the power consumption of at least one of said light source and said modulation unit is reduced.   
     
     
         8 . A control method for controlling power consumption of an optical communication device, said optical communication device outputting an optical signal based on transmission data, said method comprising steps of:
 optimizing power consumption, according to an instruction, within a predetermined range of transmission characteristics and determining a set value for at least one of modulation of said transmission data and output of said optical signal;   modulating said transmission data according to said set value; and   outputting said optical signal according to said set value.   
     
     
         9 . The control method according to  claim 8 , wherein
 said predetermined range of transmission characteristics is determined by at least one of a transmission rate, an error rate, a strength, a wavelength and a transmission loss of said optical signal.   
     
     
         10 . The control method according to  claim 8 , wherein
 said instruction includes a first instruction for instructing reduction of power consumption.   
     
     
         11 . The control method according to  claim 10 , wherein
 a set value determined according to said first instruction includes a value determined so that a problem does not occur in transmission of said transmission data in a network, said optical communication device being connected to said network.   
     
     
         12 . The control method according to  claim 8 , further comprising a step of:
 detecting data received from said network, said optical communication device being connected to said network, wherein   power consumption of at least one of said modulating and said outputting said optical signal is controlled based on said detected data.   
     
     
         13 . The control method according to  claim 11 , further comprising a step of:
 storing said set value determined based on said detected data.   
     
     
         14 . The control method according to  claim 12 , wherein
 when the power consumption of at least one of said modulating and said outputting said optical signal can be reduced, said set value is determined based on said detected data so that the power consumption of at least one of said modulating and said outputting said optical signal is reduced.   
     
     
         15 . A transmission apparatus for outputting an optical signal to a network based on transmission data transmitted from a host apparatus, comprising:
 an instruction unit that transmits an instruction; and   an optical communication device, including:   a light source that outputs an optical signal;   a modulation unit that modulates the transmission data and inputs the modulated transmission data to said light source;   a storage unit that holds a set value of said light source or said modulation unit;   a power consumption adjustment unit that, according to said instruction transmitted from said instruction unit, acquires said set value from said storage unit, optimizes power consumption within a predetermined range of transmission characteristics, and determines a set value; and   a control unit, being provided said set value determined by said power consumption adjustment unit, that controls power consumption of at least one of said light source and said modulation unit based on said provided set value.   
     
     
         16 . A recording medium storing a program causing a computer to execute control processing for controlling power consumption of an optical communication device outputting an optical signal based on transmission data, said processing comprising:
 a step of optimizing power consumption, according to an instruction, within a predetermined range of transmission characteristics and determining a set value of at least one of modulating said transmission data and outputting said optical signal;   a step of modulating said transmission data according to said set value; and   a step of outputting said optical signal according to said set value.   
     
     
         17 . An optical communication device, comprising:
 a light source for outputting an optical signal;   modulation means for modulating transmission data and inputting said modulated transmission data to said light source;   storage means for holding a set value of said light source or said modulation means;   power consumption adjustment means for, according to an instruction, acquiring said set value from said storage means, optimizing power consumption within a predetermined range of transmission characteristics, and determining a set value; and   control means, being provided said set value determined by said power consumption adjustment means, for controlling power consumption of at least one of said light source and said modulation means based on said provided set value.   
     
     
         18 . The optical communication device according to  claim 17 , wherein
 said predetermined range of transmission characteristics is determined by at least one of a transmission rate, an error rate, a strength, a wavelength and a transmission loss of said optical signal.   
     
     
         19 . The optical communication device according to  claim 17 , wherein
 said instruction includes a first instruction for instructing reduction of power consumption.   
     
     
         20 . The optical communication device according to  claim 19 , wherein
 a set value determined according to said first instruction includes a value determined so that a problem does not occur in transmission of said transmission data in a network, said light source being connected to said network.   
     
     
         21 . The optical communication device according to  claim 17 , further comprising:
 detection means for detecting data received from said network, said light source being connected to said network, wherein   said control means controls the power consumption of at least one of said light source and said modulation means based on said detected data.   
     
     
         22 . The optical communication device according to  claim 21 , wherein
 said control means stores said set value determined based on said detected data in said storage means.   
     
     
         23 . The optical communication device according to  claim 21 , wherein,
 when the power consumption of at least one of said light source and said modulation means can be reduced, said control means determines said set value based on said detected data so that the power consumption of at least one of said light source and said modulation means is reduced.